# std::chrono::month_weekday

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< cpp‎ | chrono

Defined in header `<chrono>` |  |
class month_weekday; |  | (since C++20)

The class `month_weekday` represents the nth weekday of a specific month, of some yet to be specified year.

`month_weekday` is a TriviallyCopyable StandardLayoutType.

### Member functions

(constructor) | constructs a `month_weekday` (public member function)
monthweekday_indexed | retrieves the stored `month` and `weekday_indexed` values (public member function)
ok | checks whether the contained `month` and `weekday_indexed` are valid (public member function)

### Nonmember functions

operator== (C++20) | compares two `month_weekday` values (function)
operator<< (C++20) | outputs a `month_weekday` into a stream (function template)

### Helper classes

std::formatter<std::chrono::month_weekday> (C++20) | formatting support for `month_weekday` (class template specialization)
std::hash<std::chrono::month_weekday> (C++26) | hash support for `std::chrono::month_weekday` (class template specialization)

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